2 // System.Web.Configuration.HttpHandlersSectionHandler
5 // Gonzalo Paniagua Javier (gonzalo@ximian.com)
7 // (C) 2002 Ximian, Inc (http://www.ximian.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 using System.Collections;
32 using System.Configuration;
34 using System.Globalization;
37 namespace Mainsoft.Web.Configuration
41 internal class HandlersUtil
43 private HandlersUtil ()
47 static internal string ExtractAttributeValue (string attKey, XmlNode node)
49 return ExtractAttributeValue (attKey, node, false);
52 static internal string ExtractAttributeValue (string attKey, XmlNode node, bool optional)
54 return ExtractAttributeValue (attKey, node, optional, false);
57 static internal string ExtractAttributeValue (string attKey, XmlNode node, bool optional,
60 if (node.Attributes == null) {
64 ThrowException ("Required attribute not found: " + attKey, node);
67 XmlNode att = node.Attributes.RemoveNamedItem (attKey);
71 ThrowException ("Required attribute not found: " + attKey, node);
74 string value = att.Value;
75 if (!allowEmpty && value == String.Empty) {
76 string opt = optional ? "Optional" : "Required";
77 ThrowException (opt + " attribute is empty: " + attKey, node);
83 static internal void ThrowException (string msg, XmlNode node)
85 if (node != null && node.Name != String.Empty)
86 msg = msg + " (node name: " + node.Name + ") ";
87 throw new ConfigurationException (msg, node);